Home / 97,965.51-135,193.95-54,954.56

Finding the Fourth Proportional to 97,965.51, 135,193.95 and 54,954.56

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Solution

The fourth proportional to 97,965.51, 135,193.95 and 54,954.56 is: 75,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,965.51 : 135,193.95 = 54,954.56 : x
  2. Step 2: Convert to fraction form
    97,965.51/135,193.95 = 54,954.56/x
  3. Step 3: Cross multiply
    97,965.51x = 135,193.95 × 54,954.56
  4. Step 4: Simplify right side
    97,965.51x = 7,429,524,036.91
  5. Step 5: Solve for x
    x = 7,429,524,036.91/97,965.51
  6. Step 6: Final answer
    x = 75,838.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.